Answer:

Step-by-step explanation:
Step 1: Expand by distributing sum groups.

Step 2: Expand by distributing terms.

Step 3: Expand by distributing terms.

Step 4: Collect like terms.

Step 5: Simplify.

Answer:
X ≤ 50
Step-by-step explanation:
Since the additional fee for a piece of luggage is only charged if it weighs more than 50 lbs, than Michael's suitcase weight must be less than, or equal to, 50 lbs. Using 'X' as the weight of Michael's suitcase in pounds:
X ≤ 50
'X' is less than or equal to 50 lbs
Answer:
Is and suppose to be plus
Answer:
Number 4 is a right triangle whether 3 isnt.
Step-by-step explanation:
I just know this because a right triangle is always gonna have a 90 degree angle whether that number 3 doesnt have one